package Java0307;

import java.util.Scanner;

public class JifenSale {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("请输入积分：");
        int jifen = sc.nextInt();
        if (jifen < 2000) {
            System.out.println("9折");
        } else if (jifen < 4000) {
            System.out.println("8折");
        } else if (jifen < 8000) {
            System.out.println("7折");
        } else {
            System.out.println("6折");
        }
    }
}
